nokia5110lcd.c

来自「Nokia5110LCD,不错的驱动程序,该程序为C语言版本,可为初学者提供参考」· C语言 代码 · 共 425 行

#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int 

sbit sclk=P0^0;//时钟
sbit sdin=P0^4; //数据
sbit dc=P0^5;//1写数据，0写指令
sbit sce=P0^7;//片选
sbit res=P0^6;//复位,0复位

void LCD_init(void);
void LCD_clear(void);
void LCD_write_String(unsigned char X,unsigned char Y,char *s);
void LCD_write_chi(uchar row, uchar page,uchar dd,uchar (*chi)[20]);
void LCD_write_char(unsigned char c);
void LCD_draw_map(unsigned char X,unsigned char Y,unsigned char *map,unsigned char Pix_x,unsigned char Pix_y);
void LCD_write_byte(unsigned char dt,unsigned char command);
void delay_1us(void);
void delay_nus(unsigned int n);
void delay_1ms(void);
void delay_nms(unsigned int n);
unsigned char code china_char[][24]=
{
{
0x14,0x24,0xC4,0x3C,0x04,0x30,0x0E,0xE8,0x08,0x28,0x18,0x00,0x04,0x03,
0x00,0x09,0x0A,0x04,0x03,0x00,0x03,0x04,0x08,0x00
},
{
0x10,0xF2,0x04,0x00,0xFC,0x84,0x82,0xFC,0x04,0x04,0xFC,0x00,0x0C,0x03,
0x04,0x04,0x09,0x08,0x08,0x0B,0x08,0x09,0x09,0x00
},
{
0x20,0x24,0x28,0xF0,0x20,0x3E,0xE0,0x30,0x28,0x24,0x20,0x00,0x08,0x08,
0x04,0x03,0x00,0x00,0x07,0x08,0x08,0x08,0x0E,0x00
},
{
0xF8,0x00,0xFE,0x00,0x20,0x98,0x8E,0x98,0xA8,0x88,0x88,0x00,0x03,0x00,
0x0F,0x00,0x00,0x0F,0x04,0x07,0x04,0x04,0x0F,0x00
},
{
0x00,0xF8,0x28,0x28,0x28,0xFE,0x28,0x28,0x28,0xFC,0x08,0x00,0x00,0x03,
0x01,0x01,0x01,0x07,0x09,0x09,0x09,0x09,0x0C,0x00
},
{
0x40,0x42,0x42,0x42,0x42,0xF2,0x52,0x4A,0x46,0x62,0x40,0x00,0x00,0x00,
0x00,0x08,0x08,0x0F,0x00,0x00,0x00,0x00,0x00,0x00
},
{
0x30,0x54,0x54,0x5C,0xF4,0x5C,0x52,0x5A,0x56,0x52,0x30,0x00,0x08,0x08,
0x04,0x0A,0x0B,0x05,0x05,0x0B,0x09,0x08,0x08,0x00
},
{
0x88,0x78,0x0E,0x88,0x78,0x42,0x42,0xF2,0x4A,0x46,0x40,0x00,0x09,0x05,
0x02,0x03,0x04,0x00,0x08,0x0F,0x00,0x00,0x00,0x00
},
{
0x20,0x24,0x24,0xA4,0xFE,0xA4,0xB4,0xAC,0xA4,0x32,0x20,0x00,0x02,0x02,
0x01,0x0F,0x0A,0x0A,0x0A,0x0A,0x0F,0x00,0x00,0x00
},
{
0x20,0xF8,0x06,0x00,0xFE,0x52,0x52,0x52,0x52,0xFE,0x00,0x00,0x00,0x0F,
0x01,0x09,0x05,0x03,0x01,0x01,0x03,0x05,0x09,0x00
},
{
0x00,0x60,0x5C,0xC4,0x44,0x44,0xFA,0xC2,0x42,0x60,0x40,0x00,0x04,0x02,
0x01,0x00,0x08,0x08,0x0F,0x00,0x01,0x02,0x04,0x00
},
{
0x24,0xAC,0xB4,0xA6,0xB4,0xAC,0x24,0xFC,0x04,0x74,0x8C,0x00,0x00,0x0F,
0x04,0x04,0x04,0x0F,0x00,0x0F,0x02,0x04,0x03,0x00
},
{
0x00,0x38,0xFC,0xFC,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x06,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
},
}
;

/************************************************************
*******************************************************************
******************************************************************/
//6x8.h文件：
/*-----------------------------------------------
6 x 8 font
1 pixel space at left and bottom
index = ASCII - 32
-----------------------------------------------*/
unsigned char  code font6x8[][6] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },// sp
{ 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 },// !
{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 },// "
{ 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 },// #
{ 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 },// $
{ 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 },// %
{ 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 },// &
{ 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 },// '
{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 },// (
{ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 },// )
{ 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 },// *
{ 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 },// +
{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 },// ,
{ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 },// -
{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 },// .
{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 },// /
{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E },// 0
{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 },// 1
{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 },// 2
{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 },// 3
{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 },// 4
{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 },// 5
{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 },// 6
{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 },// 7
{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 },// 8
{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E },// 9
{ 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 },// :
{ 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 },// ;
{ 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 },// <
{ 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 },// =
{ 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 },// >
{ 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 },// ?
{ 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E },// @
{ 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C },// A
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 },// B
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 },// C
{ 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C },// D
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 },// E
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 },// F
{ 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A },// G
{ 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F },// H
{ 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 },// I
{ 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 },// J
{ 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 },// K
{ 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 },// L
{ 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F },// M
{ 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F },// N
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E },// O
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 },// P
{ 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E },// Q
{ 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 },// R
{ 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 },// S
{ 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 },// T
{ 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F },// U
{ 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F },// V
{ 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F },// W
{ 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 },// X
{ 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 },// Y
{ 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 },// Z
{ 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 },// [
{ 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 },// 55
{ 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 },// ]
{ 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 },// ^
{ 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 },// _
{ 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 },// '
{ 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 },// a
{ 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 },// b
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 },// c
{ 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F },// d
{ 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 },// e
{ 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 },// f
{ 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C },// g
{ 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 },// h
{ 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 },// i
{ 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 },// j
{ 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 },// k
{ 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 },// l
{ 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 },// m
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 },// n
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 },// o
{ 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 },// p
{ 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC },// q
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 },// r
{ 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 },// s
{ 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 },// t
{ 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C },// u
{ 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C },// v
{ 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C },// w
{ 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 },// x
{ 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C },// y
{ 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 },// z
{ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 }// horiz lines
};

//bmp.h文件
/*--------------------------------------------
;源文件 / 文字 : AVR
;宽×高（像素）: 40×24
;字模格式/大小 : 单色点阵液晶字模，纵向取模，字节倒序/120字节
;数据转换日期: 2004-8-13
----------------------------------------------*/ 
unsigned char code AVR_bmp[]=
{
/*0x00,0x00,0x00,0x80,0xF0,0xF0,0x70,0xF0,0xF0,0x80,0x00,0x00,0x00,0x30,
0xF0,0xF0,0xC0,0x00,0x00,0x00,0x00,0x00,0xC0,0xF0,0xF0,0x30,0x00,0xF0,
0xF0,0xF0,0x70,0x70,0x70,0x70,0x70,0xF0,0xE0,0xC0,0x00,0x00,0x00,0xC0,
0xF8,0xFF,0xFF,0xE3,0xE0,0xE3,0xFF,0xFF,0xFC,0xC0,0x00,0x00,0x01,0x0F,
0x7F,0xFE,0xF0,0x80,0xF0,0xFE,0x7F,0x0F,0x01,0x00,0x00,0xFF,0xFF,0xFF,
0x1C,0x1C,0x3C,0x7C,0xFC,0xEF,0xCF,0x07,0x00,0x00,0x06,0x07,0x07,0x01,
0x00,0x00,0x00,0x00,0x00,0x01,0x07,0x07,0x06,0x00,0x00,0x00,0x00,0x03,
0x07,0x07,0x07,0x03,0x00,0x00,0x00,0x00,0x00,0x07,0x07,0x07,0x00,0x00,
0x00,0x00,0x01,0x07,0x07,0x07,0x04,0x00	  */

/*--  HDU.bmp  --*/
/*--  宽度x高度=40x24  --*/
0x00,0x00,0xF8,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0xF8,
0x00,0x00,0x00,0xF8,0xF8,0x18,0x18,0x18,0x38,0x70,0xE0,0x80,
0x00,0x00,0x00,0xF8,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,
0xF8,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x18,0x18,0x18,0x18,
0x18,0x18,0xFF,0xFF,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,
0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x00,0x00,0x00,0x1F,
0x1F,0x18,0x18,0x18,0x1C,0x0E,0x07,0x03,0x00,0x00,0x00,0x07,
0x0F,0x1C,0x18,0x18,0x18,0x18,0x1C,0x0F,0x07,0x00,0x00,0x00
 


};
/*-----------------------------------------------
;源文件 / 文字 : 实验室
;宽×高（像素）: 36×15
;字模格式/大小 : 单色点阵液晶字模，纵向取模，字节倒序/72字节
;数据转换日期: 2004-8-13 
-------------------------------------------------*/
unsigned char china_bmp[]=
{
0x20,0x18,0x88,0x28,0x48,0x0C,0xE8,0x08,0x08,0x28,0x18,0x00,0x84,0xF4,
0x84,0xFC,0x40,0x20,0x50,0x4C,0x50,0x20,0x40,0x00,0x10,0x18,0x28,0xA8,
0x68,0x2C,0x28,0x68,0xA8,0x28,0x18,0x00,0x02,0x12,0x12,0x13,0x0A,0x06,
0x03,0x06,0x0A,0x12,0x02,0x00,0x04,0x14,0x12,0x0F,0x10,0x17,0x10,0x17,
0x18,0x17,0x10,0x00,0x10,0x10,0x15,0x15,0x15,0x1F,0x15,0x15,0x15,0x11,
0x10,0x00
} ;

//LCD5110驱动程序：文件名5110LCD.c

/*---------------------------------------
LCD_init: 3310LCD初始化
编写日期：2004-8-10 
最后修改日期：2004-8-10 
-----------------------------------------  */
void LCD_init(void)
{
LCD_write_byte(0x21,0);//初始化Lcd,功能设定使用扩充指令
LCD_write_byte(0xc4,0);//设定液晶偏置电压(高--低）
LCD_write_byte(0x20,0);//使用基本指令
LCD_write_byte(0x0C,0);//设定显示模式，正常显示
}
/*------------------------------------------
LCD_clear: LCD清屏函数
编写日期：2004-8-10 
最后修改日期：2004-8-10 
--------------------------------------------*/
void LCD_clear(void)
{
uchar t;
uchar k;
uint d=0; 
for(t=0;t<6;t++)
{ 
for(k=0;k<84;k++)
{ 
LCD_write_byte(0,1);
d=d+1; 
} 
}
}
/*-------------------------------------------
LCD_set_XY: 设置LCD坐标函数
输入参数：X：0－83
Y：0－5
编写日期：2004-8-10 
最后修改日期：2004-8-10 
---------------------------------------------*/
void LCD_set_XY(unsigned char X, unsigned char Y)
{
LCD_write_byte(0x40 | Y, 0);// column
LCD_write_byte(0x80 | X, 0);// row
}
/*---------------------------------------------
LCD_write_char: 显示英文字符
输入参数：c：显示的字符；
编写日期：2004-8-10 
最后修改日期：2004-8-10 
-----------------------------------------------*/
void LCD_write_char(unsigned char c)
{
unsigned char line;
c-= 32;
for (line=0; line<6; line++)
LCD_write_byte(font6x8[c][line], 1);
}
/*---------------------------------------------
LCD_write_char: 英文字符串显示函数
输入参数：*s：英文字符串指针；
X、Y: 显示字符串的位置
----------------------------------------------*/
void LCD_write_String(unsigned char X,unsigned char Y,char *s)
{
LCD_set_XY(X,Y);
while (*s) 
{
LCD_write_char(*s);
s++;
}
}

/*--------------------------------------------
LCD_draw_map: 位图绘制函数
输入参数：X、Y：位图绘制的起始X、Y坐标；
*map：位图点阵数据；
Pix_x：位图像素（长）
Pix_y：位图像素（宽）
编写日期：2004-8-13
最后修改日期：2004-8-13 
---------------------------------------------*/
void LCD_draw_map(unsigned char X,unsigned char Y,unsigned char *map,
unsigned char Pix_x,unsigned char Pix_y)
{
unsigned int i,n;
unsigned char row;
if (Pix_y%8==0) row=Pix_y/8;//计算位图所占行数
else
row=Pix_y/8+1;
for (n=0;n<row;n++)
{
LCD_set_XY(X,Y);
for(i=0; i<Pix_x; i++)
{
LCD_write_byte(map[i+n*Pix_x], 1);
}
Y++;//换行
}
}
/*--------------------------------------------
LCD_write_byte: 使用SPI接口写数据到LCD
输入参数：dt：写入的数据；
command ：写数据/命令选择；
编写日期：2004-8-10 
最后修改日期：2004-8-13 
----------------------------------------------*/
void LCD_write_byte(unsigned char dt, unsigned char command)
{char i; 
sce=0;
dc=command;
for(i=0;i<8;i++)
{ 
if(dt&(0x80>>i))
sdin=1;
else
sdin=0;
sclk=0; 
sclk=1; 
}
dc=1;
sce=1;
sdin=1;
}

/*--------------------------------------------
LCD_write_chi: 在LCD上显示汉字
输入参数：row、page：显示汉字的起始列、页；
dd要显示的汉字数组,*chi为汉字数组指针
12*12汉字点阵的宽度

----------------------------------------------*/

//显示12（宽）*12（高）点阵列汉字
void LCD_write_chi(uchar row, uchar page,uchar dd,uchar (*chi)[20]) //row:列 page:页 dd:字符
{
uchar row_i,xx,num=0;
row*=12;
for(xx=0;xx<2;xx++)
{ 
LCD_set_XY(row, page);// 列，页 
for(row_i=num; row_i<num+12;row_i++) 
LCD_write_byte(chi[dd][row_i],1);
num=num+12;page++;
} 
}


//文件名delay.c 
/*----------------------------------------------
延时函数
系统时钟：12M
------------------------------------------------*/
void delay_1us(void)//1us延时函数
{
_nop_();
}
void delay_nus(unsigned int n)//N us延时函数
{
unsigned int i=0;
for (i=0;i<n;i++)
delay_1us();
}			
void delay_1ms(void)//1ms延时函数
{
unsigned int i;
for (i=0;i<1140;i++);
}
void delay_nms(unsigned int n)//N ms延时函数
{
unsigned int i=0;
for (i=0;i<n;i++)
delay_1ms();
}			 

/*********************************************************
******************************************************
**********************************************************/
void main(void) 
{
LCD_init(); //初始化LCD模块 
LCD_clear(); //清屏幕
LCD_write_String(1,0," 5110 Display ");
LCD_write_String(1,4,"Ctrl=PCD8544");
LCD_write_String(1,5,"    hcl8612");  
//LCD_draw_map(0,0,AVR_bmp,40,24); //显示“HDU”位图 
LCD_draw_map(4,1,china_bmp,36,15); //显示”实验室“位图 
while(1);
}